EP3867997A4 - Electric machine structure and technology - Google Patents

Electric machine structure and technology Download PDF

Info

Publication number
EP3867997A4
EP3867997A4 EP19874210.8A EP19874210A EP3867997A4 EP 3867997 A4 EP3867997 A4 EP 3867997A4 EP 19874210 A EP19874210 A EP 19874210A EP 3867997 A4 EP3867997 A4 EP 3867997A4
Authority
EP
European Patent Office
Prior art keywords
technology
electric machine
machine structure
electric
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19874210.8A
Other languages
German (de)
French (fr)
Other versions
EP3867997A1 (en
Inventor
Bradford Palmer
Codrin Cantemir
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cummins Inc
Original Assignee
Cummins Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cummins Inc filed Critical Cummins Inc
Publication of EP3867997A1 publication Critical patent/EP3867997A1/en
Publication of EP3867997A4 publication Critical patent/EP3867997A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)
EP19874210.8A 2018-10-16 2019-10-16 Electric machine structure and technology Pending EP3867997A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862746224P 2018-10-16 2018-10-16
PCT/US2019/056608 WO2020081736A1 (en) 2018-10-16 2019-10-16 Electric machine structure and technology

Publications (2)

Publication Number Publication Date
EP3867997A1 EP3867997A1 (en) 2021-08-25
EP3867997A4 true EP3867997A4 (en) 2022-07-13

Family

ID=70284218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19874210.8A Pending EP3867997A4 (en) 2018-10-16 2019-10-16 Electric machine structure and technology

Country Status (3)

Country Link
US (1) US11876404B2 (en)
EP (1) EP3867997A4 (en)
WO (1) WO2020081736A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112023000387A2 (en) * 2020-08-28 2023-03-07 Sew Eurodrive Gmbh & Co Kg DEVICE AND PROCESS FOR THE PRODUCTION OF THE STATOR PACKAGE

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07184333A (en) * 1993-12-24 1995-07-21 Matsushita Electric Ind Co Ltd Stator for electric motor
JPH10201145A (en) * 1996-11-12 1998-07-31 Matsushita Electric Ind Co Ltd Stator for motor
WO2008123735A1 (en) * 2007-04-10 2008-10-16 Amotech Co., Ltd. Stator for bldc motor and bldc motor having the stator, power transmission device for washing machine, driving device for washing machine and full automatic washing machine using the same
WO2012009811A1 (en) * 2010-07-23 2012-01-26 Bionx International Inc. Brushless dc motorization apparatus
CN103051078A (en) * 2012-12-13 2013-04-17 沈阳理工大学 Generator stator winding and winding method thereof
KR101276633B1 (en) * 2011-12-23 2013-06-18 한국생산기술연구원 The stator core-unit
US20130181571A1 (en) * 2012-01-17 2013-07-18 Hsiu-Mei Chang Structure for Electrical Machines
US20150214790A1 (en) * 2012-09-13 2015-07-30 Siemens Aktiengesellschaft Device comprising an electric machine with a lightweight design
US20170361900A1 (en) * 2016-03-07 2017-12-21 Future Motion, Inc. Thermally enhanced hub motor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080724A (en) * 1976-01-13 1978-03-28 Zephyr Wind Dynamo Company Method of forming electrical machine care from E-laminations
GB2457682B (en) 2008-02-21 2012-03-28 Magnomatics Ltd Variable magnetic gears
US8288982B2 (en) * 2010-12-10 2012-10-16 Current Motor Company, Inc. Permanent magnet motor with field weakening
KR101310529B1 (en) * 2011-09-01 2013-09-23 삼성전기주식회사 Switched reluctance motor
CA2897881C (en) * 2013-05-06 2016-08-16 Bionx Canada Inc. Construction of motorized wheel for vehicle motorization
GB2534196B (en) * 2015-01-16 2017-06-14 Yasa Motors Ltd Axial flux machine
US10312780B2 (en) * 2015-10-21 2019-06-04 Mcmaster University Double-rotor switched reluctance machine with segmented rotors
CN206180711U (en) * 2016-11-25 2017-05-17 杨吉聪 Electric car wheel hub motor stator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07184333A (en) * 1993-12-24 1995-07-21 Matsushita Electric Ind Co Ltd Stator for electric motor
JPH10201145A (en) * 1996-11-12 1998-07-31 Matsushita Electric Ind Co Ltd Stator for motor
WO2008123735A1 (en) * 2007-04-10 2008-10-16 Amotech Co., Ltd. Stator for bldc motor and bldc motor having the stator, power transmission device for washing machine, driving device for washing machine and full automatic washing machine using the same
WO2012009811A1 (en) * 2010-07-23 2012-01-26 Bionx International Inc. Brushless dc motorization apparatus
KR101276633B1 (en) * 2011-12-23 2013-06-18 한국생산기술연구원 The stator core-unit
US20130181571A1 (en) * 2012-01-17 2013-07-18 Hsiu-Mei Chang Structure for Electrical Machines
US20150214790A1 (en) * 2012-09-13 2015-07-30 Siemens Aktiengesellschaft Device comprising an electric machine with a lightweight design
CN103051078A (en) * 2012-12-13 2013-04-17 沈阳理工大学 Generator stator winding and winding method thereof
US20170361900A1 (en) * 2016-03-07 2017-12-21 Future Motion, Inc. Thermally enhanced hub motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020081736A1 *

Also Published As

Publication number Publication date
CN113366729A (en) 2021-09-07
WO2020081736A1 (en) 2020-04-23
US20210384780A1 (en) 2021-12-09
EP3867997A1 (en) 2021-08-25
US11876404B2 (en) 2024-01-16

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